Set up PDO constant and configuration
diff --git a/tests/mocks/database/config/pdo/sqlite.php b/tests/mocks/database/config/pdo/sqlite.php
new file mode 100644
index 0000000..c6827b4
--- /dev/null
+++ b/tests/mocks/database/config/pdo/sqlite.php
@@ -0,0 +1,22 @@
+<?php
+
+return array(
+
+	// Typical Database configuration
+	'pdo/sqlite' => array(
+		'dsn' => 'sqlite:/'.realpath(__DIR__.'/..').'/ci_test.sqlite',
+		'dbdriver' => 'pdo',
+	),
+
+	// Database configuration with failover
+	'pdo/sqlite_failover' => array(
+		'dsn' => 'sqlite:/'.realpath(__DIR__.'/..').'/not_exists.sqlite',
+		'dbdriver' => 'pdo',
+		'failover' => array(
+			array(
+				'dsn' => 'sqlite:/'.realpath(__DIR__.'/..').'/ci_test.sqlite',
+				'dbdriver' => 'pdo',
+			),
+		),
+	),
+);
\ No newline at end of file